123272328 has 16 divisors (see below), whose sum is σ = 308180880. Its totient is φ = 41090768.

The previous prime is 123272309. The next prime is 123272339. The reversal of 123272328 is 823272321.

It is a junction number, because it is equal to n+sod(n) for n = 123272295 and 123272304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568150 + ... + 2568197.

It is an arithmetic number, because the mean of its divisors is an integer number (19261305).

Almost surely, 2^123272328 is an apocalyptic number.

It is an amenable number.

123272328 is an abundant number, since it is smaller than the sum of its proper divisors (184908552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123272328 is a wasteful number, since it uses less digits than its factorization.

123272328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136356 (or 5136352 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 123272328 is about 11102.8072125927. The cubic root of 123272328 is about 497.6857422820.

The spelling of 123272328 in words is "one hundred twenty-three million, two hundred seventy-two thousand, three hundred twenty-eight".